Enhancing spectral properties and resonances energy transfer for F8PT: Au Nanocomposite

Abstract

In this work, the optical and spectral with energy transfer for F8PT light emitting polymer were studied before and after Au nanoparticles addition. Three different concentrations (1*10

-5,1* 10

-6,1*10

-7) Ml of polymer were prepared by dissolving polymer with xylene. Nd:YAG laser with 1064 nm wavelength used to syntheses Au NPs by laser ablation techniques in different pulses number (400,600, and 800). The synthesized NPs examined by FE-SEM and the results show that the particles were spherical and in the range of (37.93-51.97) nm. UV-Vis spectrophotometer used to clear the optical properties for the samples before and after nano addition. the results show that the F8PT have two absorption peaks in uv and visible region but after Au NPs addition a third peak appear in uv region because of splitting in energy level of polymer.